// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init({
  env: cloud.DYNAMIC_CURRENT_ENV
})

const db = cloud.database()
const _ = db.command

// 云函数入口函数
exports.main = async (event, context) => {
  const wxContext = cloud.getWXContext()
  return await db.collection('user').doc(event.openid).update({
    data: {
      score: _.inc(event.score)
    }
  })
}